Gaseous Exchange Multiple Choice Questions and Answers 12 PDF Download

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MCQs on Gaseous Exchange Worksheets 12 Quiz PDF Download

MCQ: Thick muscular structure which is present below pair of lungs is called

  1. epithelial muscles
  2. diaphragm
  3. intercoastal muscles
  4. coastal muscles

B

MCQ: A human breath per minute is

  1. 16-30 times
  2. 16-20 times
  3. 15-20 times
  4. 15-18 times

B

MCQ: Percentage of respiratory disorders is high in Pakistan due to more concentration of air

  1. Chemicals
  2. Components
  3. Gases
  4. Pollution

D

MCQ: Kind of bronchitis in which inflammation develops in bronchi is called

  1. chronic bronchitis
  2. coastal bronchitis
  3. intercoastal bronchitis
  4. acute bronchitis

A

MCQ: Main goal in prevention of lung cancer is eliminating

  1. Pollutants
  2. Chemicals
  3. Tobacco smoking
  4. Harmful gases

C